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Finding the Fourth Proportional to 158,360, 218,530.40 and 94,732.96

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Solution

The fourth proportional to 158,360, 218,530.40 and 94,732.96 is: 130,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,360 : 218,530.40 = 94,732.96 : x
  2. Step 2: Convert to fraction form
    158,360/218,530.40 = 94,732.96/x
  3. Step 3: Cross multiply
    158,360x = 218,530.40 × 94,732.96
  4. Step 4: Simplify right side
    158,360x = 20,702,031,641.98
  5. Step 5: Solve for x
    x = 20,702,031,641.98/158,360
  6. Step 6: Final answer
    x = 130,727.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.